diff options
Diffstat (limited to 'src/arch/riscv')
| -rw-r--r-- | src/arch/riscv/bootblock.S | 19 | ||||
| -rw-r--r-- | src/arch/riscv/rom_media.c | 12 |
2 files changed, 6 insertions, 25 deletions
diff --git a/src/arch/riscv/bootblock.S b/src/arch/riscv/bootblock.S index 1461a9cbc5..8ddc8ec0f5 100644 --- a/src/arch/riscv/bootblock.S +++ b/src/arch/riscv/bootblock.S @@ -58,25 +58,6 @@ _start: .stack_size: .quad 0xf00 -.globl _cbfs_master_header -_cbfs_master_header: - .balignl 16,0xdeadbeef - .align 8 - // this assembler SUCKS - .long 0x4F524243 - .long 0xdeadbeef - .long 0xdeadbeef - .long 0xdeadbeef - .long 0xdeadbeef - .long 0xdeadbeef - .long 0xdeadbeef - /* The CBFS master header is inserted by cbfstool at the first - * aligned offset after the above anchor string is found. - * Hence, we leave some space for it. - * Assumes 64-byte alignment. - */ - .space 128 - reset: init_stack_loop: diff --git a/src/arch/riscv/rom_media.c b/src/arch/riscv/rom_media.c index 8e858cb9bc..e00e0fbba2 100644 --- a/src/arch/riscv/rom_media.c +++ b/src/arch/riscv/rom_media.c @@ -60,12 +60,12 @@ static int rom_media_close(struct cbfs_media *media) { } static int init_rom_media_cbfs(struct cbfs_media *media) { - //extern unsigned long _cbfs_master_header; - // On X86, we always keep a reference of pointer to CBFS header in - // 0xfffffffc, and the pointer is still a memory-mapped address. - // Since the CBFS core always use ROM offset, we need to figure out - // header->romsize even before media is initialized. - struct cbfs_header *header = (struct cbfs_header*) CONFIG_CBFS_HEADER_ROM_OFFSET; //&_cbfs_master_header; + /* this assumes that the CBFS resides at 0x0, + * which is true for the default configuration + */ + int32_t *cbfs_header_ptr = (int32_t*)(uintptr_t)(CONFIG_CBFS_SIZE - 4); + uint64_t cbfs_header_offset = CONFIG_CBFS_SIZE + *cbfs_header_ptr; + struct cbfs_header *header = (struct cbfs_header*) cbfs_header_offset; if (CBFS_HEADER_MAGIC != ntohl(header->magic)) { printk(BIOS_ERR, "Invalid CBFS master header at %p\n", header); printk(BIOS_ERR, "Expected %08lx and got %08lx\n", (unsigned long) CBFS_HEADER_MAGIC, (unsigned long) ntohl(header->magic)); |